UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YSl3FpMDdJmjzF3yN6R0VUg3K6BfeYNSZnNoPivn33w=' 
WHERE 
  key_id = '31a77c70c2fd0b1215c685b4de4d327dd09d06fe6719f7591b4868622c977247' 
  AND (
    token = 'YSl3FpMDdJmjzF3yN6R0VUg3K6BfeYNSZnNoPivn33w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )